X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=test%2Faudio_io_test.c;h=efb54c4addda41da50a9f0beb9a0ada42e09daaa;hb=5bef189267474a190fcb31879cfbf245dbdac031;hp=ad97bdd0b214e58c4dc013236df3b184bb8e9a73;hpb=ad14291d88dd8b57a5fb063382cd8411d2bd9fb0;p=platform%2Fcore%2Fapi%2Faudio-io.git

diff --git a/test/audio_io_test.c b/test/audio_io_test.c
index ad97bdd..efb54c4 100644
--- a/test/audio_io_test.c
+++ b/test/audio_io_test.c
@@ -19,701 +19,1136 @@
 #include <string.h>
 #include <unistd.h>
 #include <math.h>
+#include <pthread.h>
 #include <sound_manager.h>
+#include <sound_manager_internal.h>
 #include <audio_io.h>
-
-//#define _NEW_SOUND_MANAGER_API_
-#define _SESSION_SOUND_MANAGER_API_
+#include <time.h>
 
 #ifndef M_PI
 #define M_PI  (3.14159265)
 #endif
 
 #define TABLE_SIZE   (200)
-typedef struct
-{
-    float sine[TABLE_SIZE];
-    int left_channel;
-    int right_channel;
+typedef struct {
+	float sine[TABLE_SIZE];
+	int left_channel;
+	int right_channel;
 } test_wav_t;
 test_wav_t test_wav;
 
-static int ch_table[3] = { 0, AUDIO_CHANNEL_MONO, AUDIO_CHANNEL_STEREO };
+static int ch_table[] = { 0, AUDIO_CHANNEL_MONO, AUDIO_CHANNEL_STEREO,
+                          AUDIO_CHANNEL_MULTI_3, AUDIO_CHANNEL_MULTI_4, AUDIO_CHANNEL_MULTI_5,
+                          AUDIO_CHANNEL_MULTI_6, AUDIO_CHANNEL_MULTI_7, AUDIO_CHANNEL_MULTI_8,
+                          AUDIO_CHANNEL_MULTI_9, AUDIO_CHANNEL_MULTI_10, AUDIO_CHANNEL_MULTI_11,
+                          AUDIO_CHANNEL_MULTI_12, AUDIO_CHANNEL_MULTI_13, AUDIO_CHANNEL_MULTI_14,
+                          AUDIO_CHANNEL_MULTI_15, AUDIO_CHANNEL_MULTI_16 };
+static char *state_str[] = { "IDLE", "RUNNING", "PAUSED" };
 
-void play_file(char *file, int length, int ch)
+static void _audio_in_state_cb(audio_in_h handle, audio_io_state_e previous, audio_io_state_e current,
+								bool by_policy, void *user_data)
 {
-    audio_out_h output;
-    FILE* fp = fopen (file, "r");
-    if (fp == NULL) {
-        printf ("fopen failed\n");
-        return;
-    }
-
-    char * buf = malloc (length);
-    if (buf == NULL) {
-        printf ("malloc failed\n");
-        fclose (fp);
-        return;
-    }
-
-    printf ("start to play [%s][%d][%d]\n", file, length, ch);
-    //audio_out_create(44100, ch_table[ch] ,AUDIO_SAMPLE_TYPE_S16_LE, SOUND_TYPE_MEDIA, &output);
-    audio_out_create_new(44100, ch_table[ch] ,AUDIO_SAMPLE_TYPE_S16_LE, &output);
-    if (fread (buf, 1, length, fp) != length) {
-        printf ("error!!!!\n");
-    }
-
-    audio_out_prepare(output);
-    audio_out_write(output, buf, length);
-    audio_out_unprepare(output);
-
-    audio_out_destroy (output);
-
-    fclose (fp);
-
-    printf ("play done\n");
+	printf(">>> _audio_in_state_cb() : handle(%p), (%d,%s) => (%d,%s), by_policy(%d), user_data(%p)\n",
+			handle, previous, state_str[previous], current, state_str[current], by_policy, user_data);
 }
 
-#define DUMP_FILE "/root/test.raw"
-
-
-void play_file_sample(char *file, int frequency, int ch, int type)
+static void _audio_out_state_cb(audio_out_h handle, audio_io_state_e previous, audio_io_state_e current,
+								bool by_policy, void *user_data)
 {
-    audio_out_h output;
-    int file_size = 0;
-    int read_bytes = 0;
-    int buffer_size = 0;
-    char * buf = NULL;
-
-    if (ch < 0 || ch > 2) {
-        ch = 0;
-    }
-
-    FILE* fp = fopen (file, "r");
-    if (fp == NULL) {
-        printf("open failed\n");
-        return;
-    }
-    /*Get the size*/
-    fseek(fp, 0, SEEK_END);
-    file_size = ftell(fp);
-    fseek(fp, 0, SEEK_SET);
-
-    printf ("start to play [%s] of size [%d] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
-    if (type) {
-        //audio_out_create(frequency, ch_table[ch] ,AUDIO_SAMPLE_TYPE_S16_LE, SOUND_TYPE_MEDIA, &output);
-        audio_out_create_new(frequency, ch_table[ch] ,AUDIO_SAMPLE_TYPE_S16_LE, &output);
-    } else {
-        //audio_out_create(frequency, ch_table[ch] ,AUDIO_SAMPLE_TYPE_U8, SOUND_TYPE_MEDIA, &output);
-        audio_out_create_new(frequency, ch_table[ch] ,AUDIO_SAMPLE_TYPE_U8, &output);
-    }
-    audio_out_prepare(output);
-    audio_out_get_buffer_size(output, &buffer_size);
-
-    buf = (char *) malloc(buffer_size);
-    if (buf == NULL) {
-        printf ("malloc failed\n");
-        audio_out_unprepare(output);
-        audio_out_destroy(output);
-        fclose (fp);
-        return;
-    }
-    //audio_out_prepare(output);
-
-    while (file_size > 0) {
-        read_bytes = fread (buf, 1, buffer_size, fp);
-        printf ("Read %d Requested - %d\n", read_bytes, buffer_size);
-        audio_out_write(output, buf, read_bytes);
-        file_size = file_size - read_bytes;
-    }
-
-    audio_out_unprepare(output);
-    audio_out_destroy (output);
-
-    free(buf);
-    fclose (fp);
-    printf ("play done\n");
+	printf(">>> _audio_out_state_cb() : handle(%p), (%d,%s) => (%d,%s), by_policy(%d), user_data(%p)\n",
+			handle, previous, state_str[previous], current, state_str[current], by_policy, user_data);
 }
 
-int audio_io_test(int length, int num, int ch)
+static void _play_file(char *file, int length, int num, int ch)
 {
-    int ret, size, i;
-    audio_in_h input;
-    if ((ret = audio_in_create(44100, ch_table[ch] ,AUDIO_SAMPLE_TYPE_S16_LE, &input)) == AUDIO_IO_ERROR_NONE) {
-        ret = audio_in_ignore_session(input);
-        if (ret != 0) {
-            printf ("ERROR, set session mix\n");
-            audio_in_destroy(input);
-            return 0;
-        }
-
-        ret = audio_in_prepare(input);
-        if (ret != 0) {
-            printf ("ERROR, prepare\n");
-            audio_in_destroy(input);
-            return 0;
-        }
-
-        FILE* fp = fopen (DUMP_FILE, "wb+");
-
-        if (fp == NULL) {
-            printf ("ERROR, file open failed\n");
-            audio_in_destroy(input);
-            return 0;
-        }
-
-        if ((ret = audio_in_get_buffer_size(input, &size)) == AUDIO_IO_ERROR_NONE) {
-            size = length;
-            char *buffer = alloca(size);
-
-            for (i=0; i<num; i++) {
-                printf ("### loop = %d ============== \n", i);
-                if ((ret = audio_in_read(input, (void*)buffer, size)) > AUDIO_IO_ERROR_NONE) {
-                    fwrite (buffer, size, sizeof(char), fp);
-                    printf ("PASS, size=%d, ret=%d\n", size, ret);
-                } else {
-                    printf ("FAIL, size=%d, ret=%d\n", size, ret);
-                }
-            }
-        }
-
-        fclose (fp);
-
-        audio_in_destroy(input);
-    }
-
-    play_file (DUMP_FILE, length*num, ch);
-
-    return 1;
+	int i = 0;
+	int ret = 0;
+	int total_length = length * num;
+	audio_out_h output;
+	FILE *fp = fopen(file, "r");
+	if (fp == NULL) {
+		printf("fopen failed\n");
+		return;
+	}
+
+	char *buf = malloc(total_length);
+	if (buf == NULL) {
+		printf("malloc failed\n");
+		fclose(fp);
+		return;
+	}
+
+	printf("# start to play [%s][%d][%d]\n", file, total_length, ch);
+	printf(" > create\n");
+	audio_out_create_new(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &output);
+	if (fread(buf, 1, total_length, fp) != total_length)
+		printf("error!!!!\n");
+
+	ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("audio_out_set_state_changed_cb failed. \n");
+	}
+
+	printf("  > prepare\n");
+	audio_out_prepare(output);
+
+	char *pbuf = buf;
+	for (i = 0; i < num; i++) {
+		printf("### write = (%d/%d) ============== \n", i, num);
+		audio_out_write(output, pbuf, length);
+		pbuf += length;
+
+	}
+	printf("  < unprepare\n");
+	audio_out_drain(output);
+	audio_out_unprepare(output);
+
+	printf(" < destroy\n");
+	audio_out_destroy(output);
+
+	fclose(fp);
+	free(buf);
+
+	printf("# play done\n");
 }
 
-int audio_io_loopback_in_test()
-{
-    int ret, size;
-    audio_in_h input;
-    FILE* fp = fopen ("/tmp/dump_test.raw", "wb+");
-
-    if (fp == NULL) {
-        printf("open failed \n");
-        return 0;
-    }
-
-    if ((ret = audio_in_create(16000, AUDIO_CHANNEL_MONO , AUDIO_SAMPLE_TYPE_S16_LE, &input)) == AUDIO_IO_ERROR_NONE) {
-        ret = audio_in_ignore_session(input);
-        if (ret != 0) {
-            printf ("ERROR, set session mix\n");
-            goto exit;
-        }
-
-        ret = audio_in_prepare(input);
-        if (ret != 0) {
-            printf ("ERROR, prepare\n");
-            goto exit;
-        }
-
-        ret = audio_in_get_buffer_size(input, &size);
-        if (ret != AUDIO_IO_ERROR_NONE) {
-            printf ("audio_in_get_buffer_size failed.\n");
-            goto exit;
-        }
-
-        while (1) {
-            char *buffer = alloca(size);
-            if ((ret = audio_in_read(input, (void*)buffer, size)) > AUDIO_IO_ERROR_NONE) {
-                fwrite (buffer, size, sizeof(char), fp);
-                printf ("PASS, size=%d, ret=%d\n", size, ret);
-            } else {
-                printf ("FAIL, size=%d, ret=%d\n", size, ret);
-            }
-        }
-    }
-
-exit:
-    audio_in_destroy(input);
-
-    fclose (fp);
+#define DUMP_FILE "/root/test.raw"
 
-    return ret;
+FILE *fp = NULL;
 
+static void _audio_out_stream_cb(audio_out_h handle, size_t nbytes, void *user_data)
+{
+	char *buf = NULL;
+	int read_bytes = 0;
+	int written = 0;
+
+	if (fp == NULL) {
+		printf("FILE is NULL\n");
+		return;
+	}
+
+	buf = (char *)malloc(nbytes);
+	if (!buf) {
+		printf("malloc(%zu) failed\n", nbytes);
+		return;
+	}
+
+	read_bytes = fread(buf, 1, nbytes, fp);
+
+	written = audio_out_write(handle, buf, read_bytes);
+	printf("written : %6d/%6d (requested %zu)\n", written, read_bytes, nbytes);
+
+	if (read_bytes < nbytes) {
+		printf("EOS!!!!\n");
+		fclose(fp);
+		fp = NULL;
+	}
+	free(buf);
 }
 
-int audio_io_loopback_test()
+static void _play_file_sample_async(char *file, int frequency, int ch, int type)
 {
-    int ret, size;
-    audio_in_h input;
-    audio_out_h output;
-    char *buffer = NULL;
-
-    ret = audio_in_create(16000, AUDIO_CHANNEL_MONO , AUDIO_SAMPLE_TYPE_S16_LE, &input);
-    if (ret != AUDIO_IO_ERROR_NONE) {
-        printf ("audio_in_create_ex failed. \n");
-        return 0;
-    }
-
-    //ret = audio_out_create(16000, AUDIO_CHANNEL_MONO , AUDIO_SAMPLE_TYPE_S16_LE, SOUND_TYPE_CALL, &output);
-    ret = audio_out_create_new(16000, AUDIO_CHANNEL_MONO , AUDIO_SAMPLE_TYPE_S16_LE, &output);
-    if (ret != AUDIO_IO_ERROR_NONE) {
-        printf ("audio_out_create failed. \n");
-        return 0;
-    }
-
-    ret = audio_in_prepare(input);
-    if (ret != 0) {
-        printf ("audio_in_prepare failed.\n");
-        audio_in_destroy(input);
-        return 0;
-    } else {
-        ret = audio_in_get_buffer_size(input, &size);
-        if (ret != AUDIO_IO_ERROR_NONE) {
-            printf ("audio_in_get_buffer_size failed.\n");
-            return 0;
-        } else {
-            printf("size(%d)\n", size);
-            buffer = alloca(size);
-        }
-    }
-
-    ret = audio_out_prepare(output);
-    if (ret != 0) {
-        printf ("audio_out_prepare failed.\n");
-        audio_out_destroy(output);
-        return 0;
-    }
-
-    if (buffer == NULL) {
-        printf("buffer is null\n");
-        return 0;
-    }
-
-    while (1) {
-        ret = audio_in_read(input, (void*)buffer, size);
-        if (ret > AUDIO_IO_ERROR_NONE) {
-            ret = audio_out_write(output, buffer, size);
-            if (ret > AUDIO_IO_ERROR_NONE) {
-                printf("audio read/write success. buffer(%p), size(%d)\n", buffer, size);
-            } else {
-                printf("audio read success, write failed. buffer(%p), size(%d)\n", buffer, size);
-            }
-        } else
-            printf("audio read/write failed. buffer(%p), size(%d)\n", buffer, size);
-    }
+	audio_out_h output;
+	int file_size = 0;
 
-}
+	if (ch < 0 || ch > 2)
+		ch = 0;
 
-audio_in_h input;
-audio_out_h output;
+	fp = fopen(file, "r");
+	if (fp == NULL) {
+		printf("open failed\n");
+		return;
+	}
+	printf("start to play [%s] of size [%d] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
+	audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8 + type, &output);
 
-FILE* fp_w = NULL;
+	audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
+	audio_out_set_stream_cb(output, _audio_out_stream_cb, fp);
+	audio_out_prepare(output);
 
-#ifdef _NEW_SOUND_MANAGER_API_
-sound_stream_info_h g_stream_info_read_h = NULL;
-sound_stream_info_h g_stream_info_write_h = NULL;
+	while (fp) {
+		usleep(10000); /* 10ms */
+	}
 
-static void focus_callback_read (sound_stream_info_h stream_info, sound_stream_focus_change_reason_e reason_for_change, const char *additional_info, void *user_data) {
-    int ret = 0;
-    sound_stream_focus_state_e playback_focus_state;
-    sound_stream_focus_state_e recording_focus_state;
-    printf ("*** focus_callback_read is called, stream_info(%p) ***\n", stream_info);
-    printf (" - reason_for_change(%d), additional_info(%s), user_data(%p)\n", reason_for_change, additional_info, user_data);
-    ret = sound_manager_get_focus_state (stream_info, &playback_focus_state, &recording_focus_state);
-    if (!ret)
-        printf (" - focus_state(playback_focus:%d, recording_focus:%d)\n", playback_focus_state, recording_focus_state);
-    if (playback_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
-        printf (" -- PLAYBACK_FOCUS acquired\n");
-    }
-    if (recording_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
-        printf (" -- FOCUS_RECORDING acquired\n");
-    }
-    printf ("*** focus_callback_read is ended, stream_info(%p) ****\n", stream_info);
-    return;
-}
-
-static void focus_callback_write (sound_stream_info_h stream_info, sound_stream_focus_change_reason_e reason_for_change, const char *additional_info, void *user_data) {
-    int ret = 0;
-    sound_stream_focus_state_e playback_focus_state;
-    sound_stream_focus_state_e recording_focus_state;
-    printf ("*** focus_callback_write is called, stream_info(%p) ***\n", stream_info);
-    printf (" - reason_for_change(%d), additional_info(%s), user_data(%p)\n", reason_for_change, additional_info, user_data);
-    ret = sound_manager_get_focus_state (stream_info, &playback_focus_state, &recording_focus_state);
-    if (!ret)
-        printf (" - focus_state(playback_focus:%d, recording_focus:%d)\n", playback_focus_state, recording_focus_state);
-    if (playback_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
-        printf (" -- PLAYBACK_FOCUS acquired\n");
-    }
-    if (recording_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
-        printf (" -- FOCUS_RECORDING acquired\n");
-    }
-    printf ("*** focus_callback_write is ended, stream_info(%p) ****\n", stream_info);
-    return;
-}
-#endif
+	printf("FINISHED!!!\n");
 
-static void interrupted_callback_read(audio_io_interrupted_code_e code, void *user_data) {
-    printf ("*** interrupted_callback_read is called, code(%d), user_data(%p) ***\n", code, user_data);
-}
+	audio_out_unprepare(output);
+	audio_out_destroy(output);
 
-static void interrupted_callback_write(audio_io_interrupted_code_e code, void *user_data) {
-    printf ("*** interrupted_callback_write is called, code(%d), user_data(%p) ***\n", code, user_data);
+	printf("play done\n");
 }
 
-static void _audio_io_stream_read_cb (audio_in_h handle, size_t nbytes, void *user_data)
+static void _play_file_sample_sync(char *file, int frequency, int ch, int type)
 {
-    const void *buffer = NULL;
-    unsigned int len = (unsigned int) nbytes;
-
-    //printf("_audio_io_stream_read_cb : handle=%p, nbytes=%d, user_data=%p\n", handle, nbytes, user_data);
-
-    if (len > 0) {
-        audio_in_peek (handle, &buffer, &len);
-        if (fp_w) {
-            fwrite(buffer, sizeof(char), len, fp_w);
-        }
-        audio_in_drop (handle);
-    }
+	audio_out_h output;
+	int file_size = 0;
+	int read_bytes = 0;
+	int buffer_size = 0;
+	char *buf = NULL;
+	FILE *fp = NULL;
+	int i = 0;
+
+	if (ch < 0 || ch > 2)
+		ch = 0;
+
+	fp = fopen(file, "r");
+	if (fp == NULL) {
+		printf("open failed\n");
+		return;
+	}
+	/* Get the size */
+	fseek(fp, 0, SEEK_END);
+	file_size = ftell(fp);
+	fseek(fp, 0, SEEK_SET);
+
+	printf("Play [%s] of size [%d] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
+	audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8 + type, &output);
+
+	audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
+	audio_out_prepare(output);
+
+	audio_out_get_buffer_size(output, &buffer_size);
+	buf = (char *)malloc(buffer_size);
+	if (buf == NULL) {
+		printf("malloc failed\n");
+		goto EXIT;
+	}
+
+	printf("Press any key to continue....\n");
+	getchar();
+	printf("Start to read[%d] from file and write : \n", buffer_size);
+
+	while (file_size > 0) {
+		read_bytes = fread(buf, 1, buffer_size, fp);
+		printf(".");
+		i++;
+		if (i % 10 == 0)
+			printf("|");
+		if (i % 100 == 0) {
+			printf("\n");
+			i = 0;
+		}
+		audio_out_write(output, buf, read_bytes);
+		file_size = file_size - read_bytes;
+		usleep(10000);
+	}
+
+EXIT:
+	audio_out_unprepare(output);
+	audio_out_destroy(output);
+
+	if (buf)
+		free(buf);
+	if (fp)
+		fclose(fp);
+
+	printf("\nEOS!!!! Play done\n");
 }
 
-static void _audio_io_stream_write_cb (audio_out_h handle, size_t nbytes, void *user_data)
+static sound_device_h *find_device_by_id(int id)
 {
-    short* buffer = NULL;
-    int ret = 0;
-    int i = 0;
-
-    //printf("_audio_io_stream_write_cb : handle=%p, nbytes=%d, user_data=%p\n", handle, nbytes, user_data);
-
-    if (nbytes > 0) {
-        buffer = (short *) malloc(nbytes);
-        if (buffer == NULL) {
-            printf ("malloc failed\n");
-            return;
-        }
-        memset (buffer, 0, nbytes);
-
-        for (i=0; i<nbytes/2; i+=2)
-        {
-            buffer[i]   = (short) 32768 * test_wav.sine[test_wav.left_channel];   /* left */
-            buffer[i+1] = (short) 32768 * test_wav.sine[test_wav.right_channel];  /* right */
-            test_wav.left_channel += 1;
-            if (test_wav.left_channel >= TABLE_SIZE) test_wav.left_channel -= TABLE_SIZE;
-            test_wav.right_channel += 3;
-            if (test_wav.right_channel >= TABLE_SIZE) test_wav.right_channel -= TABLE_SIZE;
-        }
-
-        ret = audio_out_write(handle, buffer, nbytes);
-        if (ret > AUDIO_IO_ERROR_NONE) {
-            //printf("audio write success. buffer(%p), nbytes(%d)\n", buffer, nbytes);
-        }
-
-        free (buffer);
-    }
-}
+	sound_device_list_h device_list;
+	sound_device_h device;
+	int _id;
 
-static void _audio_in_state_cb (audio_in_h handle, audio_io_state_e previous, audio_io_state_e current, bool by_policy, void *user_data)
-{
-    printf(">>> _audio_in_state_cb() : handle(%p), current(%d), previous(%d), by_policy(%d), user_data(%p)\n", handle, current, previous, by_policy, user_data);
+	if (sound_manager_get_device_list(SOUND_DEVICE_ALL_MASK, &device_list) != 0)
+		return NULL;
+
+	while (!sound_manager_get_next_device(device_list, &device)) {
+		if (sound_manager_get_device_id(device, &_id) != 0) {
+			device = NULL;
+			goto out;
+		}
+
+		if (_id == id)
+			break;
+	}
+
+out:
+	sound_manager_free_device_list(device_list);
+
+	return device;
 }
 
-static void _audio_out_state_cb (audio_in_h handle, audio_io_state_e previous, audio_io_state_e current, bool by_policy, void *user_data)
+static int _record_echocancel(char *filename, int rate, int channels, int ref_deviceid)
 {
-    printf(">>> _audio_out_state_cb() : handle(%p), current(%d), previous(%d), by_policy(%d), user_data(%p)\n", handle, current, previous, by_policy, user_data);
+	int ret, size;
+	sound_stream_info_h stream_info;
+	sound_device_h ref_dev = NULL;
+	audio_in_h input = NULL;
+	FILE *fp = NULL;
+	char *buffer = NULL;
+
+	ret = audio_in_create(rate, ch_table[channels], AUDIO_SAMPLE_TYPE_S16_LE, &input);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("audio in create error = 0x%x\n", ret);
+		return -1;
+	}
+
+	ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, NULL, NULL, &stream_info);
+	if (ret) {
+		printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
+		goto out;
+	}
+
+	if (!(ref_dev = find_device_by_id(ref_deviceid))) {
+		printf("fail to get ref device id\b");
+		goto out;
+	}
+
+	ret = sound_manager_set_echo_cancel_reference_device(stream_info, ref_dev);
+	if (ret) {
+		printf("fail to sound_manager_set_echo_cancel_reference_device(), ret(0x%x)\n", ret);
+		goto out;
+	}
+
+	ret = audio_in_set_sound_stream_info(input, stream_info);
+	if (ret) {
+		printf("fail to audio_in_set_sound_stream_info(), ret(0x%x)\n", ret);
+		goto out;
+	}
+
+	ret = audio_in_prepare(input);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("ERROR, prepare\n");
+		goto out;
+	}
+
+	ret = audio_in_get_buffer_size(input, &size);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("ERROR, get_buffer_size\n");
+		goto out;
+	}
+
+	fp = fopen(filename, "wb+");
+	if (fp == NULL) {
+		printf("ERROR, file open failed\n");
+		goto out;
+	}
+
+	buffer = alloca(size);
+
+	while (1) {
+		ret = audio_in_read(input, (void *)buffer, size);
+		if (ret <= 0) {
+			printf("FAIL, size=%d, ret=0x%x\n", size, ret);
+			goto out;
+		}
+
+		fwrite(buffer, size, sizeof(char), fp);
+	}
+
+out:
+	fclose(fp);
+	audio_in_unprepare(input);
+	audio_in_destroy(input);
+
+	return 0;
 }
 
-int _convert_cmd_and_run(char cmd, int mode) {
-    int ret = 0;
-    switch (cmd) {
-        case 'P':
-            if (mode & 0x01)  ret = audio_out_prepare(output);
-            if (mode & 0x02)  ret = audio_in_prepare(input);
-            break;
-        case 'u':
-            if (mode & 0x01)  ret = audio_out_unprepare(output);
-            if (mode & 0x02)  ret = audio_in_unprepare(input);
-            break;
-        case 'p':
-            if (mode & 0x01)  ret = audio_out_pause(output);
-            if (mode & 0x02)  ret = audio_in_pause(input);
-            break;
-        case 'r':
-            if (mode & 0x01)  ret = audio_out_resume(output);
-            if (mode & 0x02)  ret = audio_in_resume(input);
-            break;
-        case 'd':
-            if (mode & 0x01)  ret = audio_out_drain(output);
-            //if (mode & 0x02)  ret = audio_in_drain(input);
-            break;
-        case 'f':
-            if (mode & 0x01)  ret = audio_out_flush(output);
-            if (mode & 0x02)  ret = audio_in_flush(input);
-            break;
-        case 'i':
-#ifdef _NEW_SOUND_MANAGER_API_
-            ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback_write, NULL, &g_stream_info_write_h);
-            if (ret) {
-                printf ("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
-            }
-#endif
-#ifdef _SESSION_SOUND_MANAGER_API_
-            ret = sound_manager_set_session_type(SOUND_SESSION_TYPE_MEDIA);
-            if (ret) {
-                printf ("fail to sound_manager_set_session_type(), ret(0x%x)\n", ret);
-            }
-            ret = sound_manager_set_media_session_option (SOUND_SESSION_OPTION_PAUSE_OTHERS_WHEN_START, SOUND_SESSION_OPTION_INTERRUPTIBLE_DURING_PLAY);
-            if (ret) {
-                printf ("fail to sound_manager_set_media_session_option(), ret(0x%x)\n", ret);
-            }
-#endif
-            break;
-        case 'q':  /* quit */
-            ret = 1;
-            break;
-        default:
-            ret = 1;
-            break;
-    }
-    return ret;
+static int _record_and_play(int length, int num, int ch)
+{
+	int ret, size, i;
+	audio_in_h input = NULL;
+	FILE *fp = NULL;
+	char *buffer = NULL;
+
+	ret = audio_in_create(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &input);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("audio in create error = 0x%x\n", ret);
+		return -1;
+	}
+
+	ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("audio_in_set_state_changed_cb failed. \n");
+		goto error;
+	}
+
+	ret = audio_in_prepare(input);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("ERROR, prepare\n");
+		goto error;
+	}
+
+	fp = fopen(DUMP_FILE, "wb+");
+	if (fp == NULL) {
+		printf("ERROR, file open failed\n");
+		goto error;
+	}
+
+	ret = audio_in_get_buffer_size(input, &size);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("ERROR, prepare\n");
+		goto error;
+	}
+
+	size = length;
+	buffer = alloca(size);
+
+	for (i = 0; i < num; i++) {
+		printf("### read = (%d/%d) ============== ", i, num);
+		if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
+			fwrite(buffer, size, sizeof(char), fp);
+			printf("PASS, size=%d, ret=0x%x\n", size, ret);
+		} else {
+			printf("FAIL, size=%d, ret=0x%x\n", size, ret);
+		}
+	}
+
+	fclose(fp);
+
+	audio_in_unprepare(input);
+	audio_in_destroy(input);
+
+	_play_file(DUMP_FILE, length, num, ch);
+
+	return 0;
+
+error:
+	audio_in_destroy(input);
+	if (fp)
+		fclose(fp);
+	return -1;
 }
 
-int audio_io_async_test(int mode)
+static int _direct_loopback()
 {
-    int ret, size;
-    char *buffer = NULL;
-    int i=0;
+	int ret, size;
+	audio_in_h input = NULL;
+	audio_out_h output = NULL;
+	char *buffer = NULL;
+	int i = 0;
+
+	ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("audio_in_create_ex failed. \n");
+		return ret;
+	}
+	ret = audio_out_create_new(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("audio_out_create_new failed. \n");
+		goto exit;
+	}
+
+	ret = audio_in_prepare(input);
+	if (ret != 0) {
+		printf("audio_in_prepare failed, err(0x%x)\n", ret);
+		goto exit;
+	}
+
+	ret = audio_in_get_buffer_size(input, &size);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
+		goto exit;
+	}
+
+	printf("size(%d)\n", size);
+	buffer = alloca(size);
+
+	ret = audio_out_prepare(output);
+	if (ret != 0) {
+		printf("audio_out_prepare failed, err(0x%x)\n", ret);
+		goto exit;
+	}
+
+	if (buffer == NULL) {
+		printf("buffer is null\n");
+		ret = -1;
+		goto exit;
+	}
+
+	printf("Start to loopback(read/write) with [16kHz/MONO/S16LE]!!!\n");
+
+	while (1) {
+		ret = audio_in_read(input, (void *)buffer, size);
+		if (ret > AUDIO_IO_ERROR_NONE) {
+			ret = audio_out_write(output, buffer, size);
+			if (ret > AUDIO_IO_ERROR_NONE) {
+				printf(".");
+				i++;
+				if (i % 10 == 0)
+					printf("|");
+				if (i % 100 == 0) {
+					printf("\n");
+					i = 0;
+				}
+			} else {
+				printf("audio read success, write failed. buffer(%p), size(%d)\n", buffer, size);
+			}
+		} else {
+			printf("audio read/write failed. buffer(%p), size(%d)\n", buffer, size);
+		}
+		usleep(10000);
+	}
 
-    char cmd = 0;
-    int cmd_ret;
+exit:
+	if (input)
+		audio_in_destroy(input);
+	if (output)
+		audio_out_destroy(output);
 
-    int write_mode = (mode & 0x01);
-    int read_mode = (mode & 0x02);
+	return ret;
 
-    if ((write_mode == 0) && (read_mode == 0)) {
-        printf ("not vaild mode.\n");
-        return 0;
-    }
+}
 
-    if (read_mode) {
+audio_in_h input;
+audio_out_h output;
 
-#ifdef _SESSION_SOUND_MANAGER_API_
-        printf ("set session for capture.\n");
+FILE *fp_w = NULL;
 
-        ret = sound_manager_set_session_type(SOUND_SESSION_TYPE_MEDIA);
-        if (ret) {
-            printf ("fail to sound_manager_set_session_type(), ret(0x%x)\n", ret);
-        }
+sound_stream_info_h g_stream_info_read_h = NULL;
+sound_stream_info_h g_stream_info_write_h = NULL;
 
-        ret = sound_manager_set_media_session_option (SOUND_SESSION_OPTION_PAUSE_OTHERS_WHEN_START, SOUND_SESSION_OPTION_INTERRUPTIBLE_DURING_PLAY);
-        if (ret) {
-            printf ("fail to sound_manager_set_media_session_option(), ret(0x%x)\n", ret);
-        }
-#endif
+static void _focus_cb(sound_stream_info_h stream_info, sound_stream_focus_mask_e focus_mask,
+					sound_stream_focus_state_e focus_state,
+					sound_stream_focus_change_reason_e reason_for_change, int sound_behavior,
+					const char *additional_info, void *user_data)
+{
+	printf("*** focus_callback_read is called, stream_info(%p, read(%p)/write(%p)) ***\n",
+			stream_info, g_stream_info_read_h, g_stream_info_write_h);
+	printf(" - reason_for_change(%d), additional_info(%s), user_data(%p)\n",
+			reason_for_change, additional_info, user_data);
+	printf(" - focus_state is :%d \n", focus_state);
 
-        printf ("audio_in_create\n");
-        ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO , AUDIO_SAMPLE_TYPE_S16_LE, &input);
-        if (ret != AUDIO_IO_ERROR_NONE) {
-            printf ("audio_in_create_ex failed. \n");
-            return 0;
-        }
-        printf ("audio_in_create success!!! [%p]\n", input);
-
-        ret = audio_in_set_stream_cb(input, _audio_io_stream_read_cb, NULL);
-        if (ret != AUDIO_IO_ERROR_NONE) {
-            printf ("audio_in_set_stream_cb failed. \n");
-            return 0;
-        }
-        printf ("audio_in_set_stream_cb success!!! [%p]\n", input);
-
-        ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
-        if (ret != AUDIO_IO_ERROR_NONE) {
-            printf ("audio_out_set_state_changed_cb failed. \n");
-            return 0;
-        }
-        printf ("audio_out_set_state_changed_cb success!!! [%p]\n", input);
-
-        fp_w = fopen( "/tmp/pcm_w.raw", "w");
-
-#ifdef _NEW_SOUND_MANAGER_API_
-        //set stream type as SOUND_STREAM_TYPE_MEDIA
-        ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback_read, NULL, &g_stream_info_read_h);
-        if (ret) {
-            printf ("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
-        }
-        ret = audio_in_set_stream_info(input, g_stream_info_read_h);
-#endif
+	return;
+}
 
-        ret = audio_in_set_interrupted_cb(input, interrupted_callback_read, NULL);
-    }
+static void _audio_io_stream_read_cb(audio_in_h handle, size_t nbytes, void *user_data)
+{
+	const void *buffer = NULL;
+	unsigned int len = (unsigned int)nbytes;
 
-    if (write_mode) {
-        printf ("before audio_out_create\n");
-        getchar();
+	if (len == 0)
+		return;
 
-#ifdef _SESSION_SOUND_MANAGER_API_
-        printf ("set session for playback.\n");
+	audio_in_peek(handle, &buffer, &len);
+	if (fp_w)
+		fwrite(buffer, sizeof(char), len, fp_w);
+	audio_in_drop(handle);
+}
 
-        ret = sound_manager_set_session_type(SOUND_SESSION_TYPE_MEDIA);
-        if (ret) {
-            printf ("fail to sound_manager_set_session_type(), ret(0x%x)\n", ret);
-        }
+static void _audio_io_stream_write_cb(audio_out_h handle, size_t nbytes, void *user_data)
+{
+	short *buffer = NULL;
+	int i = 0;
+
+	if (nbytes == 0)
+		return;
+
+	buffer = (short *)malloc(nbytes);
+	if (buffer == NULL) {
+		printf("malloc failed\n");
+		return;
+	}
+	memset(buffer, 0, nbytes);
+
+	for (i = 0; i < nbytes / 2; i += 2) {
+		buffer[i] = (short)32768 *test_wav.sine[test_wav.left_channel]; /* left */
+		buffer[i + 1] = (short)32768 *test_wav.sine[test_wav.right_channel]; /* right */
+		test_wav.left_channel += 1;
+		if (test_wav.left_channel >= TABLE_SIZE)
+			test_wav.left_channel -= TABLE_SIZE;
+		test_wav.right_channel += 3;
+		if (test_wav.right_channel >= TABLE_SIZE)
+			test_wav.right_channel -= TABLE_SIZE;
+	}
+
+	audio_out_write(handle, buffer, nbytes);
+
+	free(buffer);
+}
 
-        ret = sound_manager_set_media_session_option (SOUND_SESSION_OPTION_PAUSE_OTHERS_WHEN_START, SOUND_SESSION_OPTION_INTERRUPTIBLE_DURING_PLAY);
-        if (ret) {
-            printf ("fail to sound_manager_set_media_session_option(), ret(0x%x)\n", ret);
-        }
-#endif
+int _convert_cmd_and_run(char cmd, int mode)
+{
+	int ret = 0;
+	switch (cmd) {
+	case 'P':
+		if (mode & 0x01)
+			ret = audio_out_prepare(output);
+		if (mode & 0x02)
+			ret = audio_in_prepare(input);
+		break;
+	case 'u':
+		if (mode & 0x01)
+			ret = audio_out_unprepare(output);
+		if (mode & 0x02)
+			ret = audio_in_unprepare(input);
+		break;
+	case 'p':
+		if (mode & 0x01)
+			ret = audio_out_pause(output);
+		if (mode & 0x02)
+			ret = audio_in_pause(input);
+		break;
+	case 'r':
+		if (mode & 0x01)
+			ret = audio_out_resume(output);
+		if (mode & 0x02)
+			ret = audio_in_resume(input);
+		break;
+	case 'd':
+		if (mode & 0x01)
+			ret = audio_out_drain(output);
+		break;
+	case 'f':
+		if (mode & 0x01)
+			ret = audio_out_flush(output);
+		if (mode & 0x02)
+			ret = audio_in_flush(input);
+		break;
+	case 'i':
+		ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_write_h);
+		if (ret)
+			printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
+		break;
+	case 'q': /* quit */
+		ret = 1;
+		break;
+	default:
+		ret = 1;
+		break;
+	}
+	return ret;
+}
 
-        printf ("audio_out_create\n");
-        //ret = audio_out_create(44100, AUDIO_CHANNEL_STEREO , AUDIO_SAMPLE_TYPE_S16_LE, SOUND_TYPE_MEDIA, &output);
-        ret = audio_out_create_new(44100, AUDIO_CHANNEL_STEREO , AUDIO_SAMPLE_TYPE_S16_LE, &output);
-        if (ret != AUDIO_IO_ERROR_NONE) {
-            printf ("audio_out_create failed. \n");
-            return 0;
-        }
-        printf ("audio_out_create success!!! [%p]\n", output);
-
-        ret = audio_out_set_stream_cb(output, _audio_io_stream_write_cb, NULL);
-        if (ret != AUDIO_IO_ERROR_NONE) {
-            printf ("audio_out_set_stream_cb failed. \n");
-            return 0;
-        }
-        printf ("audio_out_set_stream_cb success!!! [%p]\n", output);
-
-        ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
-        if (ret != AUDIO_IO_ERROR_NONE) {
-            printf ("audio_out_set_state_changed_cb failed. \n");
-            return 0;
-        }
-        printf ("audio_out_set_state_changed_cb success!!! [%p]\n", output);
-
-#ifdef _NEW_SOUND_MANAGER_API_
-        //set stream type as SOUND_STREAM_TYPE_MEDIA
-        ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback_write, NULL, &g_stream_info_write_h);
-        if (ret) {
-            printf ("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
-        }
-        ret = audio_out_set_stream_info(output, g_stream_info_write_h);
-#endif
+int audio_io_async_test(int mode)
+{
+	int ret, size;
+	char *buffer = NULL;
+	int i = 0;
+
+	char cmd = 0;
+	int cmd_ret;
+
+	int write_mode = (mode & 0x01);
+	int read_mode = (mode & 0x02);
+
+	sound_stream_focus_state_e playback_focus_state;
+	sound_stream_focus_state_e recording_focus_state;
+
+	if ((write_mode == 0) && (read_mode == 0)) {
+		printf("not vaild mode.\n");
+		return 0;
+	}
+
+	if (read_mode) {
+
+		printf("audio_in_create\n");
+		ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
+		if (ret != AUDIO_IO_ERROR_NONE) {
+			printf("audio_in_create_ex failed. \n");
+			return 0;
+		}
+		printf("audio_in_create success!!! [%p]\n", input);
+
+		ret = audio_in_set_stream_cb(input, _audio_io_stream_read_cb, NULL);
+		if (ret != AUDIO_IO_ERROR_NONE) {
+			printf("audio_in_set_stream_cb failed. \n");
+			goto EXIT;
+		}
+		printf("audio_in_set_stream_cb success!!! [%p]\n", input);
+
+		ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
+		if (ret != AUDIO_IO_ERROR_NONE) {
+			printf("audio_out_set_state_changed_cb failed. \n");
+			goto EXIT;
+		}
+		printf("audio_out_set_state_changed_cb success!!! [%p]\n", input);
+
+		ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_read_h);
+		if (ret) {
+			printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
+			goto EXIT;
+		}
+		ret = audio_in_set_sound_stream_info(input, g_stream_info_read_h);
+		if (ret)
+			printf("fail to audio_in_set_sound_stream_info(), ret(0x%x)\n", ret);
+
+		ret = sound_manager_acquire_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
+		if (ret) {
+			printf("fail to sound_manager_acquire_focus() for RECORDING, ret(0x%x)\n", ret);
+			goto EXIT;
+		}
+
+		fp_w = fopen("/tmp/pcm_w.raw", "w");
+	}
+
+	if (write_mode) {
+		printf("before audio_out_create_new\n");
+		getchar();
+
+		printf("audio_out_create_new\n");
+		ret = audio_out_create_new(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
+		if (ret != AUDIO_IO_ERROR_NONE) {
+			printf("audio_out_create_new failed. \n");
+			goto EXIT;
+		}
+		printf("audio_out_create_new success!!! [%p]\n", output);
+
+		ret = audio_out_set_stream_cb(output, _audio_io_stream_write_cb, NULL);
+		if (ret != AUDIO_IO_ERROR_NONE) {
+			printf("audio_out_set_stream_cb failed. \n");
+			goto EXIT;
+		}
+		printf("audio_out_set_stream_cb success!!! [%p]\n", output);
+
+		ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
+		if (ret != AUDIO_IO_ERROR_NONE) {
+			printf("audio_out_set_state_changed_cb failed. \n");
+			goto EXIT;
+		}
+		printf("audio_out_set_state_changed_cb success!!! [%p]\n", output);
+
+		ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_write_h);
+		if (ret) {
+			printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
+			goto EXIT;
+		}
+
+		ret = audio_out_set_sound_stream_info(output, g_stream_info_write_h);
+		if (ret)
+			printf("fail to audio_out_set_sound_stream_info(), ret(0x%x)\n", ret);
+
+		ret = sound_manager_acquire_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
+		if (ret) {
+			printf("fail to sound_manager_acquire_focus() for PLAYBACK, ret(0x%x)\n", ret);
+			goto EXIT;
+		}
+
+		/* generate wave data */
+		for (i = 0; i < TABLE_SIZE; i++)
+			test_wav.sine[i] = 0.9 * (float)sin(((double)i / (double)TABLE_SIZE) * M_PI * 2.);
+		test_wav.left_channel = test_wav.right_channel = 0;
+	}
+
+	if (read_mode) {
+		printf("before audio_in_prepare\n");
+		getchar();
+		printf("audio_in_prepare\n");
+		ret = audio_in_prepare(input);
+		if (ret != 0) {
+			printf("audio_in_prepare failed, err(0x%x)\n", ret);
+			audio_in_destroy(input);
+			goto EXIT;
+		} else {
+			ret = audio_in_get_buffer_size(input, &size);
+			if (ret != AUDIO_IO_ERROR_NONE) {
+				printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
+				goto EXIT;
+			} else {
+				printf("size(%d)\n", size);
+				buffer = alloca(size);
+			}
+		}
+
+		if (buffer == NULL) {
+			printf("buffer is null\n");
+			goto EXIT;
+		}
+	}
+
+	if (write_mode) {
+		printf("before audio_out_prepare\n");
+		getchar();
+		printf("audio_out_prepare\n");
+		ret = audio_out_prepare(output);
+		if (ret != 0) {
+			printf("audio_out_prepare failed, err(0x%x)\n", ret);
+			audio_out_destroy(output);
+			goto EXIT;
+		}
+	}
+
+	do {
+		printf("command(q:quit) : ");
+		ret = getchar();
+		if (ret == EOF)
+			goto EXIT;
+		cmd = (char)ret;
+		if (cmd != '\n')
+			getchar();
+		cmd_ret = _convert_cmd_and_run(cmd, mode);
+		printf("  - result code : %d\n", cmd_ret);
+	} while (cmd != 'q');
+
+EXIT:
+	if (read_mode) {
+		if (input) {
+			printf("audio_in_unprepare\n");
+			audio_in_unprepare(input);
+			printf("audio_in_destroy\n");
+			audio_in_destroy(input);
+			input = NULL;
+		}
+
+		if (fp_w) {
+			fclose(fp_w);
+			fp_w = NULL;
+		}
+
+		if (g_stream_info_read_h) {
+			ret = sound_manager_get_focus_state(g_stream_info_read_h, NULL, &recording_focus_state);
+			if (recording_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
+				ret = sound_manager_release_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
+				if (ret)
+					printf("fail to sound_manager_release_focus() for recording, ret(0x%x)\n", ret);
+			}
+			ret = sound_manager_destroy_stream_information(g_stream_info_read_h);
+			if (ret)
+				printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
+			g_stream_info_read_h = NULL;
+		}
+	}
+
+	if (write_mode) {
+		if (output) {
+			printf("audio_out_unprepare\n");
+			audio_out_unprepare(output);
+			printf("audio_out_destroy\n");
+			audio_out_destroy(output);
+		}
+
+		if (g_stream_info_write_h) {
+			ret = sound_manager_get_focus_state(g_stream_info_write_h, &playback_focus_state, NULL);
+			if (playback_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
+				ret = sound_manager_release_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
+				if (ret)
+					printf("fail to sound_manager_release_focus() for playback, ret(0x%x)\n", ret);
+			}
+			ret = sound_manager_destroy_stream_information(g_stream_info_write_h);
+			if (ret)
+				printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
+			g_stream_info_write_h = NULL;
+		}
+	}
+
+	return 0;
+}
 
-        ret = audio_out_set_interrupted_cb(output, interrupted_callback_write, NULL);
-
-        //generate wave data
-        for (i=0; i<TABLE_SIZE; i++) {
-            test_wav.sine[i] = 0.9 * (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
-        }
-        test_wav.left_channel = test_wav.right_channel = 0;
-    }
-
-    if (read_mode) {
-        printf ("before audio_in_prepare\n");
-        getchar();
-        printf ("audio_in_prepare\n");
-        ret = audio_in_prepare(input);
-        if (ret != 0) {
-            printf ("audio_in_prepare failed.\n");
-            audio_in_destroy(input);
-            return 0;
-        } else {
-            ret = audio_in_get_buffer_size(input, &size);
-            if (ret != AUDIO_IO_ERROR_NONE) {
-                printf ("audio_in_get_buffer_size failed.\n");
-                return 0;
-            } else {
-                printf("size(%d)\n", size);
-                buffer = alloca(size);
-            }
-        }
-
-        if (buffer == NULL) {
-            printf("buffer is null\n");
-            return 0;
-        }
-    }
-
-    if (write_mode) {
-        printf ("before audio_out_prepare\n");
-        getchar();
-        printf ("audio_out_prepare\n");
-        ret = audio_out_prepare(output);
-        if (ret != 0) {
-            printf ("audio_out_prepare failed.\n");
-            audio_out_destroy(output);
-            return 0;
-        }
-    }
-
-    do {
-        printf ("command(q:quit) : ");
-        cmd = (char) getchar();
-        if (cmd != '\n')  getchar();
-        cmd_ret = _convert_cmd_and_run(cmd, mode);
-        printf ("  - result code : %d\n", cmd_ret);
-    } while (cmd != 'q');
-
-    //printf ("loop start\n");
-    //for (i=0; i<10; i++) {
-    //    printf ("-------- %d -------\n",i);
-    //    usleep (1000000);
-    //}
-
-    //getchar();
-
-    if (read_mode) {
-        printf ("audio_in_unprepare\n");
-        audio_in_unprepare(input);
-        printf ("audio_in_destroy\n");
-        audio_in_destroy(input);
-
-        fclose(fp_w);
-        fp_w = NULL;
-
-#ifdef _NEW_SOUND_MANAGER_API_
-        ret = sound_manager_destroy_stream_information(g_stream_info_read_h);
-        if (ret) {
-            printf ("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
-        } else {
-            g_stream_info_read_h = NULL;
-        }
-#endif
-    }
-
-    //getchar();
-
-    if (write_mode) {
-        printf ("audio_out_unprepare\n");
-        audio_out_unprepare(output);
-        printf ("audio_out_destroy\n");
-        audio_out_destroy(output);
-
-#ifdef _NEW_SOUND_MANAGER_API_
-        ret = sound_manager_destroy_stream_information(g_stream_info_write_h);
-        if (ret) {
-            printf ("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
-        } else {
-            g_stream_info_write_h = NULL;
-        }
-#endif
-    }
+#define THREAD_MAX 10
+#define TEST_COUNT 500
+static void *thread_stress_test_audio_in(void *data)
+{
+	int i, j;
+	int rate;
+	char *buf;
+	int buffer_size;
+	audio_channel_e ch;
+	audio_sample_type_e type;
+	unsigned int seed = (unsigned int)time(NULL);
+
+	audio_in_h input = (audio_in_h)data;
+
+	audio_in_prepare(input);
+	audio_in_get_buffer_size(input, &buffer_size);
+	buf = (char *)malloc(buffer_size);
+	if (buf == NULL) {
+		printf("malloc failed\n");
+		goto EXIT;
+	}
+
+	for (i=0; i<TEST_COUNT; i++) {
+		switch (rand_r(&seed) % 8) {
+			case 0:
+				audio_in_prepare(input);
+				break;
+			case 1:
+				audio_in_read(input, buf, buffer_size);
+				break;
+			case 2:
+				audio_in_pause(input);
+				break;
+			case 3:
+				audio_in_resume(input);
+				break;
+			case 4:
+				audio_in_flush(input);
+				break;
+			case 5:
+				audio_in_unprepare(input);
+				break;
+			case 6:
+				audio_in_prepare(input);
+				for  (j = 0; j < 10; j++)
+					audio_in_read(input, buf, buffer_size);
+				break;
+			case 7:
+				audio_in_get_buffer_size(input, &buffer_size);
+				audio_in_get_sample_rate(input, &rate);
+				audio_in_get_channel(input, &ch);
+				audio_in_get_sample_type(input, &type);
+				break;
+			default:
+				break;
+		}
+		if ((i % (TEST_COUNT/10)) == 0)
+			printf("audio_in: %x thread. count(%d/%d)\n", (int)pthread_self(), i, TEST_COUNT);
+	}
+	audio_in_unprepare(input);
+
+EXIT:
+	if (buf) {
+		free(buf);
+		buf = NULL;
+	}
+
+	pthread_exit(0);
+}
 
-    return 0;
+static void *thread_stress_test_audio_out(void *data)
+{
+	int i, j;
+	int rate;
+	char *buf;
+	int buffer_size;
+	audio_channel_e ch;
+	audio_sample_type_e type;
+	unsigned int seed = (unsigned int)time(NULL);
+
+	audio_out_h output = (audio_out_h)data;
+
+	srand(time(NULL));
+
+	audio_out_get_buffer_size(output, &buffer_size);
+
+	buf = (char *)malloc(buffer_size);
+	if (buf == NULL) {
+		printf("malloc failed\n");
+		goto EXIT;
+	}
+
+	audio_out_prepare(output);
+	for (i = 0; i < TEST_COUNT; i++) {
+		switch (rand_r(&seed) % 9) {
+			case 0:
+				audio_out_prepare(output);
+				break;
+			case 1:
+				audio_out_write(output, buf, buffer_size);
+				break;
+			case 2:
+				audio_out_pause(output);
+				break;
+			case 3:
+				audio_out_resume(output);
+				break;
+			case 4:
+				audio_out_drain(output);
+				break;
+			case 5:
+				audio_out_flush(output);
+				break;
+			case 6:
+				audio_out_write(output, buf, buffer_size);
+				break;
+			case 7:
+				audio_out_prepare(output);
+				for  (j = 0; j < 10; j++)
+					audio_out_write(output, buf, buffer_size);
+				break;
+			case 8:
+				audio_out_get_buffer_size(output, &buffer_size);
+				audio_out_get_sample_rate(output, &rate);
+				audio_out_get_channel(output, &ch);
+				audio_out_get_sample_type(output, &type);
+				break;
+			default:
+				break;
+		}
+		if ((i % (TEST_COUNT/10)) == 0)
+			printf("audio_out: %x thread. count(%d/%d)\n", (int)pthread_self(), i, TEST_COUNT);
+	}
+	audio_out_unprepare(output);
+
+EXIT:
+	if (buf)
+		free(buf);
+
+	pthread_exit(0);
 }
 
-int main(int argc, char ** argv)
+#define OUT_HANDLE_MAX	1000
+#define IN_HANDLE_MAX	10
+void audio_io_test_handle_max()
 {
-    if ( argc == 2 && !strcmp(argv[1],"call-forwarding-loop")) {
-        audio_io_loopback_test();
-    } else if ( argc == 2 && !strcmp(argv[1],"call-forwarding-in")) {
-        audio_io_loopback_in_test();
-    } else if ( argc == 3 && !strcmp(argv[1],"async")) {
-        audio_io_async_test(atoi(argv[2]));
-    } else if (argc == 4) {
-        printf ("run with [%s][%s][%s]\n", argv[1],argv[2],argv[3]);
-        audio_io_test(atoi (argv[1]), atoi (argv[2]), atoi(argv[3]));
-    } else if (argc == 6) {
-        play_file_sample(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
-    } else {
-        printf ("1. usage : audio_io_test call-forwarding-loop\n");
-        printf ("2. usage : audio_io_test call-forwarding-in\n");
-        printf ("3. usage : audio_io_test [length to read] [number of iteration] [channels]\n");
-        printf ("4. usage : audio_io_test async [write(1) | read(2)]\n");
-        printf ("5. Uasge : audio_io_test play [filename] [sample rate] [channels] [type(0:U8)]\n");
-    }
-    return 0;
+	audio_out_h output[OUT_HANDLE_MAX] = { 0, };
+	audio_in_h input[IN_HANDLE_MAX] = { 0, };
+	int i;
+	int success = 0;
+	int ret;
+
+	printf("==============================================\n");
+	printf("playback handle creation test. try to create %d handles\n", OUT_HANDLE_MAX);
+	for (i = 0; i < OUT_HANDLE_MAX; i++) {
+		ret = audio_out_create_new(48000, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output[i]);
+		if (ret != AUDIO_IO_ERROR_NONE) {
+			printf("audio_out_create_new failed.\n");
+			return;
+		}
+
+		ret = audio_out_prepare(output[i]);
+		if (ret == AUDIO_IO_ERROR_NONE)
+			success++;
+	}
+	printf("created handle (%d/%d)\n", success, OUT_HANDLE_MAX);
+
+	for (i = 0; i < OUT_HANDLE_MAX; i++)
+		audio_out_destroy(output[i]);
+
+	/* pulseaudio oom when IN_HANDLE_MAX is set over 50 */
+	printf("capture handle creation test. try to create %d handles\n", IN_HANDLE_MAX);
+	success = 0;
+	for (i = 0; i < IN_HANDLE_MAX; i++) {
+		ret = audio_in_create(48000, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input[i]);
+		if (ret != AUDIO_IO_ERROR_NONE) {
+			printf("audio_in_create_new failed.\n");
+			return;
+		}
+
+		ret = audio_in_prepare(input[i]);
+		if (ret == AUDIO_IO_ERROR_NONE)
+			success++;
+	}
+	printf("created handle (%d/%d)\n", success, IN_HANDLE_MAX);
+
+	for (i = 0; i < IN_HANDLE_MAX; i++)
+		audio_in_destroy(input[i]);
 }
 
+int audio_io_test_read_write()
+{
+	int i;
+	int ret;
+	audio_out_h output[2];
+	audio_in_h input;
+
+	int status;
+	pthread_t t[THREAD_MAX];
+
+	void out_stream_cb(audio_out_h handle, size_t nbytes, void *user_data) {
+		char * buf = (char *)malloc(nbytes);
+		if (!buf) {
+			printf("malloc(%zu) failed\n", nbytes);
+			return;
+		}
+		audio_out_write(handle, buf, nbytes);
+		free(buf);
+		return;
+	}
+
+	void in_stream_cb(audio_in_h handle, size_t nbytes, void *user_data) {
+		void* buf = NULL;
+		unsigned int size = nbytes;
+
+		audio_in_peek(handle, (const void **)buf, &size);
+		audio_in_drop(handle);
+		return;
+	}
+
+	void state_changed_cb(audio_out_h handle, audio_io_state_e previous, audio_io_state_e current, bool by_policy, void *user_data) {
+		return;
+	}
+
+	/* audio_out sync */
+	ret = audio_out_create_new(48000, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output[0]);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("audio_out_create_new failed. \n");
+		return 0;
+	}
+	audio_out_set_state_changed_cb(output[0], state_changed_cb, NULL);
+
+	/* audio_out async */
+	ret = audio_out_create_new(48000, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output[1]);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("audio_out_create_new failed. \n");
+		return 0;
+	}
+	audio_out_set_stream_cb(output[1], out_stream_cb, NULL);
+	audio_out_set_state_changed_cb(output[1], state_changed_cb, NULL);
+
+	/* audio_in */
+	ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
+	if (ret != AUDIO_IO_ERROR_NONE) {
+		printf("audio in create error = 0x%x\n", ret);
+		return -1;
+	}
+	audio_in_set_stream_cb(input, in_stream_cb, NULL);
+
+	printf("==============================================\n");
+	printf("audio out sync test\n");
+	for (i = 0; i < THREAD_MAX; i++)
+		pthread_create(&t[i], NULL, thread_stress_test_audio_out, output[0]);
+
+	for (i = 0; i < THREAD_MAX; i++) {
+		pthread_join(t[i], (void**)&status);
+		printf("thread %d finished\n", i);
+	}
+
+	printf("==============================================\n");
+	printf("audio out async test\n");
+	for (i = 0; i < THREAD_MAX; i++)
+		pthread_create(&t[i], NULL, thread_stress_test_audio_out, output[1]);
+
+	for (i = 0; i < THREAD_MAX; i++) {
+		pthread_join(t[i], (void**)&status);
+		printf("thread %d finished\n", i);
+	}
+
+	printf("==============================================\n");
+	printf("audio in test\n");
+	for (i = 0; i < THREAD_MAX; i++)
+		pthread_create(&t[i], NULL, thread_stress_test_audio_in, input);
+
+	for (i = 0; i < THREAD_MAX; i++) {
+		pthread_join(t[i], (void**)&status);
+		printf("thread %d finished\n", i);
+	}
+
+	audio_out_destroy(output[0]);
+	audio_out_destroy(output[1]);
+	audio_in_destroy(input);
+
+	printf("stress test end\n");
+
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	setbuf(stdout, NULL);
+
+	if (argc == 2 && !strcmp(argv[1], "loopback")) {
+		_direct_loopback();
+	} else if (argc == 3 && !strcmp(argv[1], "async")) {
+		audio_io_async_test(atoi(argv[2]));
+	} else if (argc == 2 && !strcmp(argv[1], "stress")) {
+		audio_io_test_handle_max();
+		audio_io_test_read_write();
+	} else if (argc == 4) {
+		int channel_idx = atoi(argv[3]);
+		if (channel_idx <= 0 || channel_idx > 16) {
+			printf("Invalid channel\n");
+			return 0;
+		}
+		printf("run with [%s][%s][%s]\n", argv[1], argv[2], argv[3]);
+		_record_and_play(atoi(argv[1]), atoi(argv[2]), channel_idx);
+	} else if (argc == 6) {
+		if (strcmp(argv[1], "play") == 0)
+			_play_file_sample_sync(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
+		else if (strcmp(argv[1], "playasync") == 0)
+			_play_file_sample_async(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
+		else if (strcmp(argv[1], "echocancel") == 0)
+			_record_echocancel(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
+	} else {
+		printf("- Usages :\n");
+		printf("- # audio_io_test loopback\n");
+		printf("- # audio_io_test stress\n");
+		printf("- # audio_io_test [length to read] [number of iteration] [channels]\n");
+		printf("- # audio_io_test async [write(1) | read(2)]\n");
+		printf("- # audio_io_test play [filename] [sample rate] [channels] [type(0:U8,1:S16LE,2:S24LE,3:S24_32LE)]\n");
+		printf("- # audio_io_test playasync [filename] [sample rate] [channels] [type(0:U8,1:S16LE,2:S24LE,3:S24_32LE)]\n");
+		printf("- # audio_io_test echocancel [filename] [sample rate] [channels] [ref_dev]\n");
+	}
+	return 0;
+}